Star Charts by Wil Tirion

These are serious Star Charts. Not a planetarium-type app suitable for beginners, but rather a very detailed series of charts of the...

October 9, 2017 By Astrovisuals

Moon Phase Photo Maps

Not just a Moon Map! Rather a series of actual photos of the phases of the Moon with prominent features marked and named. This makes...

September 8, 2013 By Astrovisuals